2024 International LT — Wheel Alignment Specifications

Quick Reference

Adjustability

On the 2024 International LT, the front axle offers factory adjustment for caster and toe. Caster is adjusted via eccentric bushings at the axle kingpin, while toe is adjusted using the tie rod connecting the steering knuckles.

Front camber and SAI are not factory adjustable. If camber is out of specification, it typically indicates bent or worn components, such as the axle beam, steering knuckles, or kingpins. Correction often requires replacing these parts.

For the rear axles, alignment is generally fixed. The primary concern is ensuring the axles are square to the frame, which results in a thrust angle near zero. Adjustments can be made by loosening the U-bolts and repositioning the axle on the spring center bolts, or by using slotted brackets if equipped.

Recommended Adjustment Hardware

For vehicles requiring camber correction beyond what component replacement can offer, aftermarket eccentric kingpins or offset bushings are available. These products replace the standard kingpins and allow for a small range of camber adjustment. For minor caster adjustments beyond the factory eccentric range, offset caster shims can be installed.

Symptoms of Bad Alignment

Misalignment on a heavy-duty truck like the International LT will manifest in specific tire wear patterns and handling characteristics:

• Feathering/Scuffing on Steer Tires: Caused by incorrect toe. The tires are essentially being dragged sideways, creating a feathered or sawtooth pattern across the tread blocks.
• Outer or Inner Edge Wear on Steer Tires: This is a classic sign of incorrect camber. Too much positive camber (top of the tire tilted out) wears the outer edge, while too much negative camber (top tilted in) wears the inner edge.
• Vehicle Pulls to One Side: This can be caused by a significant cross-camber or cross-caster difference (uneven values from left to right) or a bad thrust angle from the rear axles.
• Dog Tracking: The vehicle appears to be driving slightly sideways down the road. This is a clear indicator of a significant thrust angle problem, where the rear axles are not aligned with the frame centerline.

When to Align

A wheel alignment is recommended for your International LT whenever:

• New steer tires are installed.
• Any steering or suspension components are replaced (tie rods, drag link, kingpins, axle bushings).
• The vehicle has been involved in a significant impact, such as hitting a large pothole or curb.
• The driver reports unusual tire wear, pulling, or a crooked steering wheel.

Typical Alignment Cost

For a commercial heavy-duty truck, a full three-axle alignment typically costs between $250 and $450. This price can vary based on location, shop labor rates, and whether any adjustments require additional labor or parts to correct.

Find a trusted alignment shop on Repairius.